The milling bits is used for mortar raking and brick removal,removing old mortar prior to repointing or removing blown, damaged bricks or natural stone. It is better suited and easier to use on intricate and delicate work.
High quality diamond and fully exposed diamonds ensures the sharpness and efficiency of work, longer service life.
Advanced technology: Compared with electroplating process, Vacuum brazing process improve product performance and prolong service life.
This diamond countersink drill bits is designed for Bevelling，Enlarging, Grinding and Polishing the exsit holes or shaping edge of materials.
They can be used with hand drills, bench drill etc,can be used with common drilling machines and cordless screwdrivers from many well-known brands
